Bi-D Adjustment - Epson Stylus COLOR 440 Service Manual

EPSON Stylus COLOR 440, 640, and 740

5.2.2.10 Bi-D Adjustment

The bi-directional adjustment enables you to change a timing value that
controls vertical alignment of the printed output in the bidirectional print
mode. You must perform this adjustment after:

Replacing the printer mechanism

Replacing the main board

Replacing the CR motor

Removing or replacing the printhead

Removing or replacing the carriage unit
1. Enter the main menu (see
Adjustment.
2. In the adjustment menu, select Bi-Directional Adjustment. The
following screen appears.
Figure 5-31. Bi-D Adjustment Menu
Section 5.2.2.3). Then select
3. Select Print the Bi-D adjustment pattern. The following screen
appears.
Figure 5-32. Before Printing the Bi-D pattern
4. When you press Enter, the printer starts printing a Bi-D adjustment
pattern (see Figure 5-33 on the next page).
Chapter 5 Adjustments
136